Ordinary two-component solvent-free polyurethane glue

formulation of two-component solvent-free polyurethane adhesive there are also many kinds, such as: ① more terminal nco prepolymers are used as component a, and component b is polyol or polyol/polyamine compound, similar to the cast polyurethane elastomer system;②more a mixture of oligomer polyols such as polyether polyols and additives constitute component a, and component b…